Operation
SIMV
SIMV
Synchronized Intermittent Mandatory Ventilation
Ventilation with a predetermined pattern or predetermined
frequency, synchronised with the patient's spontaneous
breathing. The patient can breathe spontaneously between the
synchronised ventilation strokes, but does not receive pressure
support.
This mode is useful for weaning the patient from ventilation.
If the patient suffers apnoea, ventilation is executed at the
frequency determined by T
Press the keys »Vent. Mode«, »SIMV« and »On«.
Combining SIMV with:
–
separate expiratory flow VIVE: see page 49.
–
volume guarantee VG: see page 46.
Adjust the rotary knobs »P
and »Insp. Flow
« to obtain the desired ventilation pattern
– with or without a plateau, as for IPPV/IMV and the
frequency.
Adjusting the trigger volume: see page 37.
Adjust the inspiration time »T
spontaneous breathing.
If self-triggering occurs, increase the trigger volume.
Setting the alarm limits: see page 50.
42
and T
.
I
E
«, »PEEP/CPAP«, »T
insp
« to match the patient's
I
Paw
P
insp
PEEP
TI
Flow
Vtrig
«, »T
«
I
E
t
t
Vtrig